Question
Ben started his trumpet practice at 9.30 a.m. and ended his trumpet practice at 1.20 p.m. He took a 20 break in between his trumpet practice. How much time did Ben spend on his trumpet practice?
2 m

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Ben started his trumpet practice at 9.30 a.m. and ended his trumpet practice at 1.20 p.m. He took a 20 break in between his trumpet practice. How much time did Ben spend on his trumpet practice?